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空间集聚和经济增长本质上是相互影响的内生化过程.本文根据新增长理论和新经济地理学理论构建空间集聚和经济增长面板数据联立方程,运用GMM三阶段最小二乘法实证分析了1995~2008年中国省域空间集聚和经济增长的内生关系.研究发现,空间集聚对我国区域经济增长的作用存在U型关系,区域集聚是产生区域差距的重要因素;经济增长对区域的空间集聚存在门槛效应.新经济地理学中的本地市场效应、交通基础设施、知识溢出水平和市场化程度对我国区域的空间集聚具有显著促进作用,且交通基础设施效应随着区域集聚水平的提高呈递减趋势.研究还进一步验证了对外开放对我国东部地区空间集聚的拉动效应.“,”This paper uses simultaneous equation of panel data to analyze the endogeneity between spatial agglomeration and region economic growth based on China's Provincial Panel Data and GMM three - stage least- squares. The paper shows that the effect of spatial agglomeration on region growth can be described as U and spatial agglomeration is the important factor to induce disparity among re- gions; the effect of region growth on spatial agglomeration has a threshold; the home market effect, transport infrastructure, knowledge spillover, and the level of market which emphasized by the new economic geography affect the China's spa- tial agglomeration significantly; opening-up drives the eastern region's spatial ag- glomeration.